Simultaneous Nadir Overpasses (SNOs) between LANDSAT-8 and NOAA-19
TLE Epoch: 2021 5 23.  Predictions up to the next  14.0 days:

     Date     Time(LANDSAT-8) LANDSAT-8 Lat/Lon Date Time(NOAA-19) NOAA-19 Lat/Lon    Distance(km)  Time Diff(sec)
 05/24/2021   22:40:03   ( -80.36,  50.81) 05/24/2021   22:39:08  ( -80.38,  50.83)    2.65                55
 05/24/2021   23:29:29   (  80.37,-141.50) 05/24/2021   23:30:12  (  80.36,-141.45)    1.32                43
 05/27/2021   05:03:15   ( -80.36, -45.02) 05/27/2021   05:03:18  ( -80.38, -45.04)    2.60                 3
 05/29/2021   10:36:59   (  80.38,  51.78) 05/29/2021   10:36:33  (  80.37,  51.90)    2.46                26
 05/29/2021   11:26:26   ( -80.38,-140.56) 05/29/2021   11:27:27  ( -80.36,-140.60)    2.80                61
 05/31/2021   16:10:44   ( -80.40, 148.57) 05/31/2021   16:09:38  ( -80.38, 148.53)    2.53                66
 05/31/2021   17:00:11   (  80.37, -44.11) 05/31/2021   17:00:43  (  80.37, -44.01)    1.79                32
 06/02/2021   22:33:56   ( -80.39,  52.68) 06/02/2021   22:33:48  ( -80.38,  52.60)    2.14                 8
 06/05/2021   04:07:41   (  80.38, 149.07) 06/05/2021   04:07:04  (  80.40, 149.09)    2.12                37